Introduction of Java framework Immutables which creates immutable objects and builders for you. Type-safe, null-safe and thread-safe, with no boilerplate.
Testing Elasticsearch with docker and Java High Level REST Client
Quick introduction of asynchrnous processing in JAX-RS 2.x on both server-side and client-side.
Use Elasticsearch cat nodes API to understand the state of your Elasticsearch: id, name, IP address, CPU, load, memory, and much more.
Create your own cheatsheets in Bash.
Capture SLF4J + Logback logging events and test them in unit tests using ListAppender.
Elasticsearch Scroll API sample written in Java, useful for retrieving large numbers of results (or even all results) from a single search request.
Unit testing Akka actor with "TestActorRef", which gives you access to underlying actor instance and runs the logic synchronously in a single-threaded environment.
170 post articles, 22 pages.